Alastair Denniston

Olympic athlete

1881 – 1961

34

Who was Alastair Denniston?

Commander Alexander Guthrie Denniston CMG CBE RNVR was a British codebreaker in Room 40 and first head of the Government Code and Cypher School and field hockey player. Denniston was appointed operational head of GC&CS in 1919 and remained so until February 1942.

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Born
Dec 1, 1881
Greenock
Nationality
  • United Kingdom
Education
  • University of Bonn
  • University of Paris
Died
Jan 1, 1961
Milford on Sea

Submitted
on July 23, 2013

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